2024.4release Exterior Exterior: 18K pink gold Back: 18K pink gold with sapphire glass Back: See-through back 4-screw fixed back cover Glass Material: Box-shaped sapphire Coating: Internal anti-reflective coating Case size: 29.5 mm (width), 36.8 mm (height), 10.5 mm (thickness) Band Width: 15mm Band material: Crocodile Maximum wrist length: 170mm Movement Movement: 9S27 Instructions Drivetrain: Mechanical, self-winding with manual winding Duration: Approx. 50 hours at maximum winding Static Accuracy: Average Daily Difference +8 seconds to -3 seconds Accuracy measured under the conditions of 6 different positions and 3 different temperatures before shipment from the factory in accordance with Grand Seiko's own standards. It differs from the accuracy (portable accuracy) under the environment in which the watch is actually used by the customer. Also, due to the characteristics of mechanical models, depending on the conditions of use (carrying time, temperature, arm movements, strong shocks or vibrations), the accuracy may exceed the aforementioned range. Functions Water resistance: Water resistant for everyday use Antimagnetic: Yes Weight: 56 g Other: No. of parts Limited edition" on the back cover Serial number on back cover Dial with diamonds Lock 18K pink gold Number of jewels 35